1. Subjects with pacemakers.

2. Subjects who have metallic ferromagnetic implants or pumps.

3. All females are excluded from this study.

4. Subjects with kidney disease of any severity or on hemodialysis.

5. Subjects with known allergies to gadolinium-based contrast agents.

6. Subjects incapable of lying on their backs for up to an hour at a time.

Improving Cancer Foci Detection in Prostate Cancer Using Multiparametric MRI/MRS